On Fri, Feb 22, 2019 at 1:36 AM Merry <ginijos...@gmail.com> wrote:
>
> i have wrote a lambda function in go to trigger the event in cognito, i have
> attached the lambda in cognito user ppol when i logged in form UI just before
> authenticate i am getting error
> json: cannot unmarshal string into Go struct field CognitoEvent.version of
> type int: UnmarshalTypeError null
>
> my lambda function is
>
> func handler(event events.CognitoEvent) (events.CognitoEvent, error) {
>
> fmt.Printf("Post authenticate event Identity ID : %s\n", event.IdentityID)
> }
I don't know how Cognito works, but the error is stating that there is
a CognitoEvent.Version field that is defined as an in, and there
appears to be some rpc-like mechanism that calls this function using
JSON encoding, and the JSON has a string "version" field.
>
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